1) efficient range
高效区
1.
The centrifugal pump with wide efficient range is developed based on the maximum flow design method.
基于加大流量设计法,采用增加分流叶片和增大喉部面积等措施,研制了高效区宽离心泵。
2) Efficient frontier
高效新区
3) High efficiency range
高效区间
4) high frequency zone
高效率区
5) high efficiency reaction core
高效反应区
1.
The intensification and optimization of the copper smelting process in flash furnace are investigated by using of the "high efficiency reaction core" model.
运用闪速炉反应塔“高效反应区”模型,研究闪速炉操作的优化与强化。
6) efficacious workaround
高效工作区
补充资料：HⅡ区和HⅠ区
见电离氢区和中性氢区。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条